US Bridges

Prince William Pky over Occoquan Reservoir

Fair

Prince William County, Virginia · 3.50MI FR663/2.00MI TO612 · Structure no. 000000000024209

Built
1994
31 years old
Condition
Fair
inspected May 2023
Type
Frame
Steel Continuous
Length
513 ft
3 main spans
Daily traffic
29,710
2022 count
Owner
State
State Highway Agency

About this bridge

Prince William Pky over Occoquan Reservoir is a steel continuous frame carrying Prince William Pky over Occoquan Reservoir in Prince William County, Virginia. It was built in 1994, so it is 31 years old, younger than the Virginia average of 50.7 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 29,710 vehicles a day, roughly 1% of them trucks, projected to reach 32,101 by 2045. The structure is 513 ft (156.4 m) long and 115 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesPrince William Pky
CrossesOccoquan Reservoir
Location3.50MI FR663/2.00MI TO612
RouteState Highway 294
CountyPrince William County
StateVirginia
Coordinates38.71074, -77.4108
Functional classUrban Principal Arterial - Other Freeway or Expressway

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating65.5 US tons
Inventory rating50.6 US tons

Structure

Structure typeFrame
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length513 ft (156.4 m)
Longest span253 ft (77.1 m)
Deck width115 ft (35 m)
Roadway width100 ft (30.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic29,710 (2022)
Projected traffic32,101 by 2045
Trucks1%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$300 million
NavigationNo navigation control on waterway

Frequently asked questions

When was Prince William Pky over Occoquan Reservoir built?

It was built in 1994, making it 31 years old in 2025.

What condition is Prince William Pky over Occoquan Reservoir in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in May 2023.

How much traffic does Prince William Pky over Occoquan Reservoir carry?

About 29,710 vehicles per day (2022 count), of which roughly 1% are trucks.

How long is Prince William Pky over Occoquan Reservoir?

The structure is 513 ft (156.4 m) long with a longest span of 253 ft (77.1 m) and a deck 115 ft wide.

Who owns Prince William Pky over Occoquan Reservoir?

It is owned by the State Highway Agency.